mDNSResponder mDNSResponder — Multicast DNS daemon SYNOPSIS mDNSResponder DESCRIPTION mDNSResponder (also known as mdnsd on some systems) is a daemon invoked at boot time to implement Multicast DNS and DNS Service Discovery. mDNSResponder listens UDP port 5353 for Multicast DNS Query packets. When it receives a query for which it knows an answer, mDNSResponder issues […]